Devtools Animations: Add method to fetch CSS keyframed animations

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h

Index: third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
diff --git a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
index c60dc23ffcbde7af3364bed6dddc4fe03b0a0ca5..db69571d9fd4a4b8df130817eb489c5604a4f803 100644
--- a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
+++ b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
@@ -55,6 +55,7 @@ public:
     ScopedStyleResolver* parent() const;
 
     StyleRuleKeyframes* keyframeStylesForAnimation(const StringImpl* animationName);
+    CSSStyleSheet* styleSheetForAnimation(const StringImpl* animationName);
 
     void appendCSSStyleSheet(CSSStyleSheet&, const MediaQueryEvaluator&);
     void collectMatchingAuthorRules(ElementRuleCollector&, bool includeEmptyRules, CascadeOrder = ignoreCascadeOrder);
@@ -74,9 +75,9 @@ private:
     }
 
     void addTreeBoundaryCrossingRules(const RuleSet&, CSSStyleSheet*, unsigned sheetIndex);
-    void addKeyframeRules(const RuleSet&);
+    void addKeyframeRules(const RuleSet&, CSSStyleSheet*);
     void addFontFaceRules(const RuleSet&);
-    void addKeyframeStyle(PassRefPtrWillBeRawPtr<StyleRuleKeyframes>);
+    void addKeyframeStyle(PassRefPtrWillBeRawPtr<StyleRuleKeyframes>, CSSStyleSheet*);
 
     RawPtrWillBeMember<TreeScope> m_scope;
 
@@ -84,6 +85,7 @@ private:
 
     using KeyframesRuleMap = WillBeHeapHashMap<const StringImpl*, RefPtrWillBeMember<StyleRuleKeyframes>>;
     KeyframesRuleMap m_keyframesRuleMap;
+    WillBeHeapHashMap<const StringImpl*, CSSStyleSheet*> m_keyframesStyleSheetMap;

[alancutter (OOO until 2018), 2015/10/15 00:11:53]

D:

 
     class RuleSubSet final : public NoBaseWillBeGarbageCollected<RuleSubSet> {
     public: